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    <title>Open Deep Research - AI驱动的智能研究助手</title>
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            <h1 class="text-5xl md:text-6xl font-bold mb-6 serif-font">Open Deep Research</h1>
            <p class="text-xl md:text-2xl mb-8 opacity-90">AI驱动的智能研究助手，让深度研究触手可及</p>
            <div class="flex flex-wrap justify-center gap-4 mb-12">
                <a href="https://github.com/langchain-ai/open_deep_research" target="_blank" class="bg-white text-purple-700 px-6 py-3 rounded-full font-semibold hover:bg-gray-100 transition-colors">
                    <i class="fab fa-github mr-2"></i>GitHub 仓库
                </a>
                <button class="bg-purple-800 bg-opacity-50 text-white px-6 py-3 rounded-full font-semibold hover:bg-opacity-70 transition-colors">
                    <i class="fas fa-book mr-2"></i>查看文档
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            <div class="grid grid-cols-1 md:grid-cols-3 gap-6 text-center">
                <div class="bg-white bg-opacity-10 rounded-lg p-6 backdrop-blur-sm">
                    <i class="fas fa-robot text-4xl mb-3"></i>
                    <h3 class="text-lg font-semibold mb-2">多智能体协作</h3>
                    <p class="text-sm opacity-80">并行处理复杂研究任务</p>
                </div>
                <div class="bg-white bg-opacity-10 rounded-lg p-6 backdrop-blur-sm">
                    <i class="fas fa-search text-4xl mb-3"></i>
                    <h3 class="text-lg font-semibold mb-2">智能信息整合</h3>
                    <p class="text-sm opacity-80">自动收集并整理多源数据</p>
                </div>
                <div class="bg-white bg-opacity-10 rounded-lg p-6 backdrop-blur-sm">
                    <i class="fas fa-file-alt text-4xl mb-3"></i>
                    <h3 class="text-lg font-semibold mb-2">自动报告生成</h3>
                    <p class="text-sm opacity-80">生成结构化的专业报告</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Introduction Section -->
    <section class="py-16 px-6">
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                <h2 class="text-3xl font-bold mb-6 gradient-text serif-font">智能研究的新纪元</h2>
                <p class="text-lg leading-relaxed text-gray-700">
                    <span class="drop-cap serif-font">O</span>pen Deep Research 是一个开源的研究助手工具，旨在通过人工智能自动化深度研究，生成关于任何主题的综合报告。它面向研究人员、内容创作者、商业分析师以及需要高效信息整合的团队或个人。通过结合大语言模型（LLM）和多种搜索工具，Open Deep Research 提供灵活的研究策略和可定制的报告生成流程。
                </p>
            </div>
        </div>
    </section>

    <!-- Problem Solution Section -->
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        <div class="max-w-6xl mx-auto">
            <h2 class="text-4xl font-bold text-center mb-12 gradient-text serif-font">解决研究痛点</h2>
            <div class="grid grid-cols-1 md:grid-cols-2 gap-8">
                <div class="bg-white rounded-xl p-8 shadow-lg card-hover">
                    <div class="flex items-start mb-4">
                        <i class="fas fa-exclamation-circle text-3xl text-red-500 mr-4"></i>
                        <div>
                            <h3 class="text-xl font-bold mb-2">传统研究的挑战</h3>
                            <ul class="space-y-2 text-gray-600">
                                <li><i class="fas fa-times text-red-400 mr-2"></i>手动搜索信息耗时且效率低下</li>
                                <li><i class="fas fa-times text-red-400 mr-2"></i>整合多源信息需要大量整理工作</li>
                                <li><i class="fas fa-times text-red-400 mr-2"></i>复杂问题难以高效并行处理</li>
                                <li><i class="fas fa-times text-red-400 mr-2"></i>研究方向容易偏离预期</li>
                            </ul>
                        </div>
                    </div>
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                    <div class="flex items-start mb-4">
                        <i class="fas fa-check-circle text-3xl text-green-500 mr-4"></i>
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                            <h3 class="text-xl font-bold mb-2">智能化解决方案</h3>
                            <ul class="space-y-2 text-gray-600">
                                <li><i class="fas fa-check text-green-400 mr-2"></i>AI驱动的自动化信息收集</li>
                                <li><i class="fas fa-check text-green-400 mr-2"></i>智能整合多源数据并生成报告</li>
                                <li><i class="fas fa-check text-green-400 mr-2"></i>多智能体协作并行处理子主题</li>
                                <li><i class="fas fa-check text-green-400 mr-2"></i>研究简报确保方向明确</li>
                            </ul>
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    </section>

    <!-- Core Features Section -->
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            <h2 class="text-4xl font-bold text-center mb-12 gradient-text serif-font">核心功能</h2>
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                <div class="bg-white rounded-xl p-8 shadow-lg card-hover border-t-4 border-purple-500">
                    <i class="fas fa-compass feature-icon text-4xl mb-4"></i>
                    <h3 class="text-2xl font-bold mb-3">研究范围界定</h3>
                    <p class="text-gray-600">通过用户澄清和研究简报生成，确保研究方向明确，减少歧义。智能分析用户需求，自动生成结构化的研究计划。</p>
                </div>
                <div class="bg-white rounded-xl p-8 shadow-lg card-hover border-t-4 border-indigo-500">
                    <i class="fas fa-users-cog feature-icon text-4xl mb-4"></i>
                    <h3 class="text-2xl font-bold mb-3">多智能体研究</h3>
                    <p class="text-gray-600">利用主管-研究员架构并行处理子主题，快速收集高质量信息。每个智能体独立工作，避免信息混淆。</p>
                </div>
                <div class="bg-white rounded-xl p-8 shadow-lg card-hover border-t-4 border-purple-500">
                    <i class="fas fa-plug feature-icon text-4xl mb-4"></i>
                    <h3 class="text-2xl font-bold mb-3">灵活搜索工具集成</h3>
                    <p class="text-gray-600">支持 Tavily、Perplexity、ArXiv 等多种搜索 API，适应不同研究需求。可根据主题自动选择最佳搜索策略。</p>
                </div>
                <div class="bg-white rounded-xl p-8 shadow-lg card-hover border-t-4 border-indigo-500">
                    <i class="fas fa-file-export feature-icon text-4xl mb-4"></i>
                    <h3 class="text-2xl font-bold mb-3">报告自动化生成</h3>
                    <p class="text-gray-600">基于研究简报和收集的信息，生成结构化的 Markdown 格式报告，内容清晰且易于编辑。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Architecture Visualization -->
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        <div class="max-w-6xl mx-auto">
            <h2 class="text-4xl font-bold text-center mb-12 gradient-text serif-font">系统架构</h2>
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                <div class="mermaid">
                    graph TB
                        A[用户输入研究主题] --> B{研究范围界定}
                        B --> C[生成研究简报]
                        C --> D{选择研究模式}
                        D -->|多智能体模式| E[主管分配任务]
                        D -->|工作流模式| F[图工作流处理]
                        E --> G[研究员1]
                        E --> H[研究员2]
                        E --> I[研究员N]
                        G --> J[搜索API调用]
                        H --> J
                        I --> J
                        J --> K[信息整合]
                        F --> J
                        K --> L[生成报告]
                        L --> M[输出Markdown]
                        
                        style A fill:#f9f,stroke:#333,stroke-width:2px
                        style M fill:#9f9,stroke:#333,stroke-width:2px
                        style E fill:#667eea,color:#fff
                        style F fill:#764ba2,color:#fff
                </div>
            </div>
        </div>
    </section>

    <!-- Use Cases Section -->
    <section class="py-16 px-6">
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            <h2 class="text-4xl font-bold text-center mb-12 gradient-text serif-font">应用场景</h2>
            <div class="grid grid-cols-1 md:grid-cols-3 gap-8">
                <div class="bg-gradient-to-br from-blue-50 to-indigo-50 rounded-xl p-8 shadow-lg card-hover">
                    <i class="fas fa-graduation-cap text-4xl text-blue-600 mb-4"></i>
                    <h3 class="text-xl font-bold mb-3